2135612797 has 16 divisors (see below), whose sum is σ = 2212535808. Its totient is φ = 2060017920.

The previous prime is 2135612783. The next prime is 2135612807. The reversal of 2135612797 is 7972165312.

It is a cyclic number.

It is not a de Polignac number, because 2135612797 - 2¹¹ = 2135610749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135612747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1489593 + ... + 1491025.

It is an arithmetic number, because the mean of its divisors is an integer number (138283488).

Almost surely, 2^2135612797 is an apocalyptic number.

It is an amenable number.

2135612797 is a deficient number, since it is larger than the sum of its proper divisors (76923011).

2135612797 is a wasteful number, since it uses less digits than its factorization.

2135612797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its digits is 158760, while the sum is 43.

The square root of 2135612797 is about 46212.6908651725. The cubic root of 2135612797 is about 1287.7775158466. Note that the first 3 decimals are identical.

The spelling of 2135612797 in words is "two billion, one hundred thirty-five million, six hundred twelve thousand, seven hundred ninety-seven".